SOLUTION: A walkway 3 feet wide surrounds a rectangular plot of grass. The plot is 70 feet long and 25 feet wide so what is the area of the walkway?

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Question 978064: A walkway 3 feet wide surrounds a rectangular plot of grass. The plot is 70 feet long and 25 feet wide so what is the area of the walkway?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Area of the plot, 70%2A25;
Area of combined plot and walkway,%2870%2B2%2A3%29%2825%2B2%2A3%29;
Area of ONLY the walkway, %2870%2B2%2A3%29%2825%2B2%2A3%29-70%2A25.

Use your algebra skills with binomial factors!

70%2A25%2B70%2A2%2A3%2B25%2A2%2A3%2B%282%2A3%29%5E2-70%2A25
70%2A6%2B25%2A6%2B36
6%2870%2B25%29%2B36
finish the computation.